３月１５日零点北京与三城市２００号业务联网３月上旬，我局与来自哈尔滨、郑州、武汉三城市的代表就２００号业务联网召开会议，共同研究联网事宜。会上，我局与三城市各自介绍了２００号业务发展情况和联网试验情况，并确定３月１５日零点四城市２００号业务将正式联网... March 15, Beijing and Nortel 200 Business Networking In early March, SIPO and representatives from the three cities of Harbin, Zhengzhou and Wuhan convened a meeting on the No. 200 business network to jointly study networking. At the meeting, our bureau and three cities each introduced the business development situation of No. 200 and networking test situation, and confirmed that the 200th business of No. 04 city on March 15 will be formally networked ...